Eckstein, W. Material Research (MF), Max Planck Institute for Plasma Physics, Max Planck Society;
Bogomolova, L. D., Borisov, A. M., Krasilnikova, N. A., Kulikauskas, V. S., Mashkova, E. S., & Eckstein, W. (2002). Investigation of modification of the surface layer of graphite at high fluence irradiation by nitrogen ions. Izvestiya Akademii Nauk Seriya Fizicheskaya, 66(4), 551-557.